vitamin C

noun

: a water-soluble vitamin C₆H₈O₆ found in plants and especially in fruits and leafy vegetables or made synthetically and used in the prevention and treatment of scurvy and as an antioxidant for foods

called also ascorbic acid

Examples of vitamin C in a Sentence

Recent Examples on the Web

This serum is packed with 15% vitamin C and a barrier boost complex that brightens, firms and supports collagen. —Bestreviews, Chicago Tribune, 25 Mar. 2026

That bright, citrusy tint comes from a blend of vitamin C derivatives, carrot root extract, and beta-carotene—more of a little visual reminder of all the antioxidant goodness packed inside. —Christa Joanna Lee, Allure, 25 Mar. 2026

Too much vitamin C can interfere with copper absorption. —Fred Sassani, Austin American Statesman, 23 Mar. 2026

What’s more, because the skin is eaten, research from way back in 2015 found that the smaller fruit has 10 times more phenolics, 13 times more flavonoids and 10 times more vitamin C than the inside flesh. —New Atlas, 22 Mar. 2026

Word History

First Known Use

circa 1920, in the meaning defined above

Rhymes for vitamin C

• abc
• absentee
• addressee
• adoptee
• agouti
• allottee
• amphorae
• amputee
• apc
• apogee
• appointee
• assessee

Kids Definition

vitamin C

noun

: a vitamin that is present especially in citrus fruits, tomatoes, and green vegetables and is needed by the body to prevent scurvy

called also ascorbic acid

Medical Definition

vitamin C

noun

: a water-soluble vitamin C₆H₈O₆ found in plants and especially in fruits and leafy vegetables or made synthetically and used in the prevention and treatment of scurvy and as an antioxidant for foods

called also ascorbic acid